Questions tagged [hdmi]

HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.

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raspberry pi 2 model b hdmi no signal

i have a Problem with my raspberry pi 2 model b. it has retropie installed and it used to work fine. Now it says "no signal". What i tried after some research: different cables and monitors ...
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Is it possible to use DSI and HDMI out display together in RPI 4B?

I am new to RPi and sensor thing. I come from Python Flask backend developing background. Right now, I mainly use I2C sensors' available adafruit python library or SMBus if no Python library exists ...
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Trying to Connect RaspberyPi4 to my monitor

LG monitor LCD 22" max res: 1680x1050 60Hz(without overclock) Using microHDMI to VGA hostOS: w10 64bit guestOS: raspberypiOS 32bit whenever adapter is connected to my monitor underscore(_) symbol ...
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What is the byte content of Raspberry Active Source hdmi-cec message?

When a Raspberry Pi is connected to a CEC bus with HDMI it sends an active source cec message on boot. This can be modified in /boot/config.txt with setting hdmi_ignore_cec_init either 1 or 0 as ...
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HDMI audio not working if screen off when pi boots

I am using Pi Zero 2 boards on a custom PCB for kiosk use and had some users complain about a lack of audio. I've discovered that even if HDMI audio is forced, the pi will not output audio over HDMI ...
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RPi 4 HDMI sound problem. HDMI 0 is not displayed

Hello dear RPi friends, an HDMI cable is connected to an audio extractor at HDMI 0 (near USB-C) to tap off the audio signal for further output. No video signal is used by the audio extractor. /boot/...
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Triggering MAPIR camera with PWM via GPIO on RPi

I have similar setup as this post: PWM via GPIO to trigger a MAPIR Camera but a different camera: https://www.mapir.camera/collections/survey3/products/survey3w-camera-red-green-nir-rgn-ndvi. I am ...
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HDMI TV works only with hdmi_safe=1

I'm connecting TV display to Raspberry Pi4B via HDMI and it works only in safe mode (low resolution). Here is working /boot/config.txt: hdmi_safe=1 dtoverlay=vc4-fkms-v3d max_framebuffers=2 [all] ...
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Raspberry Pi4- Dual HDMI -fbi

I am trying to display tkinter GUI on raspberry pi touch screen which is on hdmi0 and project the images using projector on hdmi1. But when I click the button to project image ie when I execute the ...
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Picam preview shows on HDMI monitor, but not GPIO connected display. How to fix?

I'm making a project that requires an automatic and constant preview from the camera shown on a small LCD display. I managed to have the camera preview upon the Pi startup by adding raspivid -t 0 -f ...
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Disable HDMI at boot, then re-enable later

Here's the desired scenario: System is turned on Pi boots (bullseye) with HDMI off (fully off, not just outputting a blank stream) Later, Pi activates HDMI and starts outputting video Currently, I ...
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Multiple screen control with RPi4

I have a question regarding Raspberry Pi 4. Can I control 6 inch, 3 oled screens with Rpi 4? I want to render all the screens differently, is that possible? Thanks in advance for your answers. OLED 6 ...
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Pi 4, 2 monitors with same display - screen layout changes not being respected

I have 2 HDMI touchscreens that I'd like to have with identical vertical displays. By identical, I mean I'd like the screens to be mirrored and show exactly the same image. The Screen Layout Editor is ...
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Can I connect an HDMI display to raspberry pi with Raspbian OS lite (doesn't have desktop)?

I am currently working an a project with raspberry pi 4 and I need to display a GUI using PyQt5 The problem is the Raspbian OS lite doesn't have desktop (I installed it to optimize the resources ), ...
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I just upgraded by Raspberry PI 400 to 64bit. The screens no longer go into sleep mode. I know next little about linux so please make few assumptions

I just upgraded my Raspberry PI 400 to 64bit. The screens no longer go into sleep mode. I know next to nothing about linux so if you know a fix please make as few assumptions as possible.
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Change the background color when the pi starts up

I have a setup with a headless Raspberrypi Zero attached to a screen and the pi user is automatically signed in so a Bash prompt is shown. The black shell background now interferes with how I want to ...
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Raspberry Pi 4B HDMI0 producing red / pink screen with flickering pixels and colorbanding

My Raspberry Pi 4 Model B Rev 1.4 started having a red and pink output on its first HDMI (HDMI0) output. Sometimes the pixels flicker, "glitch". Especially black color seems to be ...
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Does RPi4 support video IN (usb c) [duplicate]

This could probably be more of a generic hardware question but I plan to use an RPi 4. Does the RPi 4 with usb C have the possibility of receiving HDMI input. So essentially I want to use the RPi 4 as ...
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OSMC media center responding to volume buttons on TV in unknown fashion

I have an OSMC/Kodi media center set up with a raspberry pi 3, and I discovered to my surprise that pressing the volume buttons on the LG TV actually causes the raspberry pi to respond, but not with ...
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A way to disable Bluetooth audio output when hdmi output (TV) is on

I am very new to raspberry pi. I have pi 4 running raspbian os and I am trying to keep it connected to tv ( to use for internet browsing and watching video) and at the same time as a reminder that ...
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Slight Flickering Black Stripes on Multimedia Projector attached to Raspberry PI 4

I'm running into the problem that there are Slight Flickering Black Stripes on the Multimedia Projector that I'd like to attached to a Raspberry PI 4 (as you can see on the image below) Does anyone ...
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Cannot route audio to HDMI on Pi 4 Bullseye

Running latest update of Bullseye (11.1) on Pi 4 with 2 gig. Fresh fully updated copy of the OS. The menu bar audio item, which should list options, only lists "AV Jack" as an option. The ...
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HDMI port back-feeds my Raspberry 4 and keeps it from totally powering down

I don't want to power anything from the HDMI port. My power supply has a neat switch built into the 5v cord, and after shutting down the Pi, I just want to cycle the switch to bring the Pi back alive. ...
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using hdmi1 with card extender

Can I use HDMI 1 instead of HDMI 0? I Have a pi 400 and have bought an sd card extender so I'm not reaching round the back all the time to change cards. this though stops me from using HDMI0 because ...
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Raspberry pi not connecting to monitor

I am using raspberry pi 4 B+ with dell monitor DEL-DELL_E228WFP. But it shows auto detect(digital input) and keeps going to black screen when I move the cursor. Also it goes to power save a lot and ...
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Should i pull the plug?

I just connected my raspberry-pi to a screen that isn't outputting anything , but i know the pi is working due to the red light being on, and now i want to connect it to a working device but I've ...
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Two 'burnt' HDMI ports on two Raspberry Pi 3B+s one after the other

Background: I had Raspbian 10 (installed over NOOB) running on a Raspberry Pi 3B+ running: BOINC (30% CPU time and 25% CPU cores used) dump1090 Kodi Kismet since July 2020, pretty much 24/7 till ...
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RPi4 audio periodically but randomly drops out

I am using a RPi4 and have connected it to ethernet and wifi, and run shareport to stream audio to my HDMI hifi (so I can have a wifi hifi!). I also installed Rhythmbox, so I can stream the radio to ...
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No HDMI video after boot sequence

Raspberry Pi 4B connected via micro-HDMI to HDMI cable to a 1920x1080 computer monitor. The boot sequence starts with text being printed to the screen (splash screen off) and when it should switch to ...
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Raspberry pi 400 no sound over HDMI

I bought a Raspberry Pi 400 to connect it to my old TV (Telefunken) and make it a smart TV. I installed the latest Raspberry Pi OS, and everything works EXCEPT the sound. I connected the TV by the ...
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Boots correctly but says "No HDMI signal" after finishing kernel boot logs

I have a Raspberry Pi 4 Model B (8GB), I have flashed the latest version of Raspbian into a USB flash drive and I boot it from there. I've had no problems so far. Today I restarted it after about 2-3 ...
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Pi use monitor and projector at the same time

I have Raspberry Pi 3 Model B+. Now I use Pi with monitor using HDMI port but my project requere to have connected projector and to show static images on it. Projector will be controled with script(...
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RPi Zero 2 W monitor image lost during boot [closed]

TLDR: RPi Zero 2W outputs image only for a few seconds then stops My brand new Zero 2W is having issues with the monitor image. During boot I can see the init messages going by and at some point ...
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Pi Zero W won't boot but file system on SD card seems fine

Is there anything I can do to troubleshoot a Pi Zero W that just blinks (between 7 and 10 times) at me instead of booting? I DON'T have a mini HDMI connector so it's headless only. I do have access to ...
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Screen resultion when using VNC / headless

I have a Pi model 3B. I used Raspberry Pi Imager to install the latest Bullseye onto the SD card; the installation was successful. The Pi is attached to a monitor with HDMI cable. I have VNC and SSH ...
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Is there another Interface adapter/alternate driver board for PI 7" screen to take input from VGA or HDMI source?

Is there a driver board or an adapter to get VGA or HDMI into the standard Raspberry Pi 7" screen? It seems like the PI DSI interface may be proprietary? I am unsure as the screen doesn't come ...
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No sound in Chromium on a Raspberry Pi 4 using HDMI but works with everything else including Firefox

I am Running Raspbian OS 32 bit (Bullseye) and no matter what I do I can't get any sound output through Chromium but with Firefox and everything else I have sound. I have tried editing config.txt, ...
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HDMI seems to be dead

We have almost 300 RPi3B+ with monitors connected via HDMI. These RPis are supplied with power via GPIO pins 2 and 4 (5V, 3A). Also from the same PSU monitors for these RPis also supplied with power (...
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No display out or signal, is the Pi 4 faulty?

first time posting, but I'm just confused, and wondering if I got a faulty raspberry pi 4. I have a raspberry pi 4 8Gb RAM Model. Parts used for the pi: -ice tower cooler -2 Cana kit micro HDMI to ...
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RPi 3 Model B+ HDMI not working due to new version of Raspberrypi OS

I've updated my RPi 3 B+ which has been working like a charm for years, but I ended up with a black screen, no HDMI connected message on my TV. Steps I've follow: Download Raspberry Pi Imager. Plug ...
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Bluetooth stops working after using HDMI audio output

I have been unable to hear anything from my rasberryPi4 out of my wireless headphones just after I used the HDMI port on my monitor (which also stopped working at the same time). I know that the issue ...
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Display going to sleep and not turning on

I am working on a kiosk powered by RaspberryPi 4, and I have a problem when the pi is running with a DVI/VGA adapter. The issue is that monitor is that the monitor goes to sleep during the night: I ...
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How to make application window sizes fit within smaller screen dimensions on Raspbian

This is my first question so forgive my inconsistencies in Stack Exchange writing convention. I am using a Raspberry Pi 4 Model B connected to a 5" (800*480px) HDMI touchscreen. [Here is the ...
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Can HDMI CEC be used with standard TV remote functions from a Pi to the TV itself?

I was wondering if I could use HDMI CEC with standard TV remote functions using a Raspberry Pi, like punching in numbers, or changing the channel, etc? I'm trying with cec-client. I suspect I would be ...
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HDMI No Signal on LG TV (but works on other TVs)

I was at my parent’s for the weekend and I used the time to setup OSMC on my new RPi 4. They have an older (~10 years) Samsung TV and everything worked fine (including CEC or whatever it’s called on ...
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Desktop inside a desktop after changing HDMI 2 resolution

After starting one time my Raspberry Pi 4 without the HDMI cable plugged in, I had the resolution 1024x768. I set the right resolution to 1920x1080. It looks good, but now looks like I have a square ...
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AirPlay just through HDMI?

I am fairly new to this Raspberry community and I would like to set up mine Raspberry as pocket audio streamer / light computer. I have installed Raspbian where I want to run AirPlay (shairport-sync) ...
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Headphone Jack deactive when RasPi starts without screen

I want to set up a Jukebox (Phoniebox) with my RasPi (3b+) with an audio output via the headphone Jack. When I boot the RasPi (3b+) with a connected HDMI screen, everything works fine, and I get an ...
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How to enable display connector during runtime?

I use two hdmi ports during runtime. One for display with user interface (HDMI-A-1) and one for projector (HDMI-A-2). I had to disable the connector with the projector (HDMI-A-2) during the boot ...
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Raspberry pi screen rotation with OpenGL

As titled, in raspianLite, if I enable OpenGL (fake KMS) I'm unable to rotate the screen using the /boot/config.txt file i tried: display_hdmi_rotate=1 and display_rotate=1 with no success, any ...
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